About QA Toolbox

QA Toolbox is an all-in-one collection of 54 utilities across 9 categories, made for QA testers, API testers and automation engineers. It brings the small, repetitive tasks of testing — formatting JSON, generating hashes and test data, decoding tokens, converting timestamps, checking status codes — into one fast, clutter-free place.

Everything runs in your browser

There is no backend and no account. Every tool runs entirely client-side using standard web APIs, which means your data never leaves your device. It also means the app is fast, works offline once loaded, and can be deployed to any static host.

What's inside

• JSON Tools — Format, minify, validate, query and convert JSON payloads.
• Text & String — Diff, regex, case conversion, escaping, slugs and word counts.
• Hash & Encoding — Hashes, HMAC, Base64, URL encoding and JWT.
• Screenshots & Media — Annotate screenshots and compress images & video for bug reports.
• Converters — Number bases, cron schedules, color formats, contrast and QR codes.
• ID Generators — UUIDs, random IDs, passwords and realistic test data.
• Date & Time — Timestamps and timezone conversions.
• API QA Tools — Status codes, query builder, cURL and checklists.
• QA Exercises — Practice quizzes and testing scenarios.

Support the project

QA Toolbox is free and always will be. Have an idea for a tool? Get in touch.